Answer:
b
Explanation:
It is a fossil of sea shells
<span>sexual reproduction</span><span>
Sexual reproduction provides genetic variation because the sperm and egg that are produced contain different combinations of genes than the parent organism. Sexual reproduction involves meiosis which is the process of a cell doubling its DNA, shuffling its genes and then dividing the shuffled DNA among four cells.</span>
Weather is short period climate is over a period of years
